Sony MDS-JE640 specifications Printed Wiring Board Main Section Side a, Semiconductor

Page 38

MDS-JE640

6-6. PRINTED WIRING BOARD – MAIN SECTION (SIDE A) –

•Semiconductor

Location

Ref. No.	Location		Ref. No.	Location

D461	C-1		IC440	B-2
D462	C-1		IC480	A-1
D471	C-1		IC611	E-5
D472	D-1		IC621	E-5
D476	C-1		IC661	E-4
D477	C-1		Q356	A-6
D481	B-1		Q910	B-1
IC400	D-1				38	38
					38	38

Image 38

Contents Outputs SpecificationsInputs NEWGeneral Supplied accessoriesSELF-DIAGNOSIS Function Three- or five Digit code Cause/Remedy MessageItems of Error History Mode Items and Contents Diagrams Table of ContentsDisassembly Exploded ViewsSection Service Notes Flexible Circuit Board RepairingJIG for Checking BD Board Waveform IOPRecord Precedure Main Board Component Side Checks Prior to Parts Replacement and AdjustmentsForced Reset Retry Cause Display Mode Bit BinaryHexadecimal t Binary Conversion Table Section General Section Disassembly Front Panel SectionMain Board PT BOARD, VOL-SEL BoardMechanism Deck Section MDM-7A BD BoardSetting the Test Mode Section Test ModePrecautions for USE of Test Mode Exiting the Test ModeSelecting the Test Mode Display Details Mark GroupOperating the Continuous Playback Mode MENU/NOError rate display Test Mode DisplaysMode display Functions of Other ButtonsAutomatic SELF-DIAGNOSIS Function When Memory NG is DisplayedMeanings of Other Displays InformationCheck before replacement Section Electrical AdjustmentsParts Replacement and Adjustment Adjustment flow YESPrecautions for Adjustments Precautions for Checking Laser Diode EmissionPrecautions for USE of Optical PICK- UP KMS-260B Using the Continuously Recorded Disc Checks Prior to RepairsAuto Check Other ChecksPlay Check MO Error Rate Check CD Error Rate CheckLaser Power Adjustment Initial Setting of Adjustment ValueTemperature Compensation Offset Adjutment Traverse Adjustment Iop NV SaveFocus Bias Adjustment YESCD Auto Gain Control Output Level Adjustment Error Rate CheckAuto Gain Control Output Level Adjustment MO Auto Gain Control Output Level AdjustmentAdjusting Points and Connecting Points For printed wiring boards Section DiagramsFor schematic diagrams Circuit Boards LocationMDS-JE640 Block Diagrams BD SectionSignal Path Main Section REC AnalogDisplay Board BD BoardMain Board Printed Wiring Board BD Section SemiconductorPIN PIN Function Printed Wiring Board Main Section Side a IC2 Printed Wiring Board Main Section Side BIC1 PIN MDS-JE640 Schematic Diagram Main /3 See page 47 for IC Block Diagrams Printed Wiring Board Power Section Printed Wiring Board Display Section Schematic Diagram Display Section See page 34 for Waveforms IC Block Diagrams IC101 CXA2523AR BD BoardIC400 LA5643 Main Board IC PIN Functions IC101 CXA2523AR RF Amplifier BD BoardMNT0 FOK Mvci Tfdr IC1 M30805SGP System Control Main Board HLDA/ALE Section Exploded Views Chassis SectionPanel ASSY, Front Black AEP,UK,CIS,SP,MY Panel ASSY, Front SilverMechanism MDM-7A 202 220 201 213 215 216 205 218 207Motor ASSY, Sled HEAD, Over LightMotor ASSY, Spindle Motor ASSY, LoadingSection Electrical Parts List IC MC74ACT08DTR2 IC TC7WU04FUTE12RMetal Chip IC BA033FP-E2Display KEY-SW Main PIN, Connector 4P PIN, Connector 3PCONNECTOR, FFC 17P PLUG, Connector 10P DiodeTransistor UN2211-TX IC SN74LVU04ANSRAEP,UK,CIS Transistor UN2111-TXTRANSFORMER, Power SP,MY ConnectorTRANSFORMER, Power CND Composition Circuit BlockVOL-SEL Sony Corporation